Shell Game is an adventure in Club Penguin Island. It is received from Rockhopper, and is the fourth episode in Chapter 1: Fair Share. During this adventure, the player must scour the island in search of riddles left behind by Shellbeard in order to try and find clues. In order to play this adventure, the player must complete Ep. 3 - Gongs Away and be at least Rockhopper rank 2.